SUNDAY TIMES BESTSELLER‘I loved it … Persons Unknown is like walking on quicksand, for reader and detective alike' VAL MCDERMIDSecond literary thriller from bestselling author of MISSING, PRESUMED.A brutal murder. A detective with no one left to trust.A YOUNG MAN MURDEREDA city banker bleeds to death yards from a Cambridgeshire police headquarters.A DETECTIVE OUT OF HER DEPTHDI Manon Bradshaw’s world is turned upside down when the victim turns out to be closer to her than she could have...